I found the answer at the forum answers ( [SOLVED] Unity Remote 5 not working )
and by its referencing here is what you can do in detail
1- Main solutions (you have to do them but it may not solve your problem (like in my situation)
Here is the second part; I solved my problem by changing sdk jdk packages’ ways manually as it is explained in there
2- More tricks to get Unity Remote for Android working on Windows — Terresquall Blog
It may help to find its location if you “Copy the path” before uncheck its checkbox. Then you can paste it and browse it.